Abstract:We have studied a series of mixed metal oxides of Mg-Al by a simple co-precipitation technique. Various characterization techniques, including XRD, SEM, EDS, TEM, BET and CO 2 -TPD were carried out to investigate their physicochemical properties. An efficient and facile protocol has been documented for the synthesis of chalcones using different aldehydes and acetophenone using Mg-Al oxide under reflux conditions in ethanol affording good to excellent yields. Recyclability of a catalyst is a significant feature… Show more
Indarung clay (Indarung region, Indonesia) has been successfully enriched with Ca2+ and Cu2+ ions. XRF, XRD, FTIR, and SAA analyses confirmed that calcination process had no significant effect on improving its performance so that the clay was simply heated at 383 K before use. Measurements using AAS showed that the clay is enriched with Cu2+ ions more easily than Ca2+ ions. The catalytic activity test carried out for the transesterification of crude palm oilshowed that under the same reaction conditions Cu2+ enriched Indarung clay yields most methyl ester to compare with other four catalysts (Ca2+ enriched clay, parent clay, Ca-nitrate and Cu-nitrate).
Indarung clay (Indarung region, Indonesia) has been successfully enriched with Ca2+ and Cu2+ ions. XRF, XRD, FTIR, and SAA analyses confirmed that calcination process had no significant effect on improving its performance so that the clay was simply heated at 383 K before use. Measurements using AAS showed that the clay is enriched with Cu2+ ions more easily than Ca2+ ions. The catalytic activity test carried out for the transesterification of crude palm oilshowed that under the same reaction conditions Cu2+ enriched Indarung clay yields most methyl ester to compare with other four catalysts (Ca2+ enriched clay, parent clay, Ca-nitrate and Cu-nitrate).
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